Smoky Quartz Crystal with Schorl Inclusions - NER 053

Smoky quartz crystal with schorl inclusions




Measurements:  62 x 17 x 12 mm

Description:  A smoky quartz crystal with several needle-like schorl crystals in and on it, with several protruding through the surface.

This superb crystal has no notable damage.

Weight of Specimen:  22.5 g 

Chemical Composition:  SiO2 (quartz) 
                                       NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl) 

Hardness on Mohs Scale:  (quartz)  7 
                                          (schorl)
  7.5

Location:  Erongo, Namibia.

Specimen Code:  NER 053

US $ 40
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